package com.lbs.blog.controller.admin;

import com.lbs.blog.entity.User;
import com.lbs.blog.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

/**
 * @author Administrator
 * @date 2020/11/15 11:34
 * @description
 **/
@Controller
@RequestMapping("/admin")
public class LoginController {
    @Autowired
    private UserService userService;

    @GetMapping
    public String doLoginPage(){
        return "admin/login";
    }

    @PostMapping("/login")
    public String login(
            @RequestParam String username,
            @RequestParam String password,
            HttpSession session,
            RedirectAttributes attributes){

        User user = userService.checkUser(username,password);

        if (user != null){
           user.setPassword(null);
           session.setAttribute("user",user);
           return "admin/index";
        }else {
            attributes.addFlashAttribute("message","用户名或密码错误，请重新登录！");
            return "redirect:/admin";
        }
    }

    @GetMapping("/logout")
    public String logout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/admin";
    }

}
